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architectural restoration

...erstwhile owners may then be allowed to remain in residence on condition of the repair and rehabilitation of their buildings to a specified standard. In this way, whole areas of buildings, such as
Society Hill in Philadelphia, have been taken over, concentrated redevelopment by high-rise apartments being permitted in selected inner locations, while old buildings with frontage are restored in...

feature of Philadelphia

The oldest sections of Philadelphia—Southwark,
Society Hill, and the Independence Hall area—lie to the east, along and inland from the Delaware. Southwark is the oldest, having been settled by Swedes in 1643. Those of its ancient and dilapidated houses that have escaped bulldozing for riverfront expressways resemble the edifices of
Society Hill before its restoration began in the...